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Most Common Car Issues Vin Explorer

Most Common Car Issues

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Engine Model
4A-GEC
Model
Corolla

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Engine Number of Cylinders
Make
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Other Engine Info

MOST COMMON PROBLEMS

TOYOTA Corolla 1985

The 1985 Toyota Corolla GT-S Coupe is a classic vehicle known for its agile performance and sporty design. Powered by a 1.6L in-line 4-cylinder engine with electronic fuel injection, it offers a dynamic driving experience. With dual overhead camshafts and a lightweight body, this iconic model from Toyota's Takaoka Plant in Japan continues to be cherished by enthusiasts.

Spec:

Engine Configuration
In-Line
Engine Model
4A-GEC
Engine Number of Cylinders
4
Other Engine Info
Electronic fuel Injection

Problems:

Oil leaks
The 1985 Toyota Corolla with the 4A-GEC engine is known for oil leaks, often from the valve cover gasket and oil pan gasket.
Timing belt wear
The 4A-GEC engine uses a timing belt, which can wear out and require replacement to avoid engine damage.
Fuel injector clogs
With electronic fuel injection, the fuel injectors can become clogged, leading to poor engine performance and reduced fuel efficiency.
Overheating
The cooling system in older models like the 1985 Corolla can develop issues, such as a failing thermostat or radiator, leading to engine overheating.
Ignition system issues
Problems with ignition components, such as the distributor, spark plugs, or ignition coils, can cause misfires and poor engine performance.
Vacuum leaks
The vacuum hoses can become brittle over time and develop leaks, causing rough idling and poor acceleration.
Carbon buildup
The 4A-GEC engine can experience carbon buildup on the intake valves and combustion chambers, affecting performance and fuel economy.
TOYOTA Corolla 1986

The 1986 Toyota Corolla GT-S is a classic hatchback with a sporty edge, featuring a 1.6-liter in-line 4-cylinder engine with electronic fuel injection. Built in Toyota City, Japan, this model is known for its dual overhead cam design, enhancing its performance capabilities. With a manual seat belt system and a lightweight build, it offers a nostalgic driving experience. The GT-S series is particularly celebrated for its agility and compact design.

Spec:

Engine Configuration
In-Line
Engine Model
4A-GEC
Engine Number of Cylinders
4
Other Engine Info
Electronic fuel Injection

Problems:

Oil leaks
Common in older engines, often due to worn gaskets or seals.
Overheating
Can be caused by a failing thermostat, radiator issues, or a faulty water pump.
Timing belt issues
Timing belts wear out over time and can break, leading to engine damage.
Fuel injector problems
Electronic fuel injectors can get clogged or fail, affecting fuel delivery.
Ignition system failures
Issues with spark plugs, ignition coils, or the distributor can cause misfires.
Vacuum leaks
Cracks in vacuum lines can cause rough idling and poor performance.
Sensor failures
Faulty sensors (e.g., oxygen sensor, MAF sensor) can affect engine performance and fuel efficiency.
Carbon buildup
Leads to rough idling, poor acceleration, and increased emissions.
Head gasket failure
Can result in coolant leaks, overheating, and loss of engine compression.
Egr valve issues
A faulty Exhaust Gas Recirculation (EGR) valve can cause performance and emission problems.
TOYOTA Corolla 1986

The 1986 Toyota Corolla GT-S is a classic hatchback featuring a 1.6L in-line 4-cylinder engine with electronic fuel injection. Manufactured in Toyota City, Japan, this 3-door model boasts a dual overhead cam design and manual seat belts, making it a lightweight yet robust passenger car.

Spec:

Engine Configuration
In-Line
Engine Model
4A-GEC
Engine Number of Cylinders
4
Other Engine Info
Electronic fuel Injection

Problems:

Oil leaks
Common in older engines, often due to worn gaskets or seals.
Overheating
Can be caused by a failing thermostat, radiator issues, or a faulty water pump.
Timing belt issues
Timing belts wear out over time and can break, leading to engine damage.
Fuel injector problems
Electronic fuel injectors can get clogged or fail, affecting fuel delivery.
Ignition system failures
Issues with spark plugs, ignition coils, or the distributor can cause misfires.
Vacuum leaks
Cracks in vacuum lines can cause rough idling and poor performance.
Sensor failures
Faulty sensors (e.g., oxygen sensor, MAF sensor) can affect engine performance and fuel efficiency.
Carbon buildup
Leads to rough idling, poor acceleration, and increased emissions.
Head gasket failure
Can result in coolant leaks, overheating, and loss of engine compression.
Egr valve issues
A faulty Exhaust Gas Recirculation (EGR) valve can cause performance and emission problems.
TOYOTA Corolla 1985

The 1985 Toyota Corolla GT-S is a three-door hatchback powered by a 1.6L inline-4 engine with electronic fuel injection. Manufactured in Toyota City, Japan, this model features a DOHC valve train design and runs on gasoline. Its lightweight build falls under Class 1 with a GVWR of 6,000 lbs or less. The GT-S series is known for its sporty performance and classic design.

Spec:

Engine Configuration
In-Line
Engine Model
4A-GEC
Engine Number of Cylinders
4
Other Engine Info
Electronic fuel Injection

Problems:

Oil leaks
The 1985 Toyota Corolla with the 4A-GEC engine is known for oil leaks, often from the valve cover gasket and oil pan gasket.
Timing belt wear
The 4A-GEC engine uses a timing belt, which can wear out and require replacement to avoid engine damage.
Fuel injector clogs
With electronic fuel injection, the fuel injectors can become clogged, leading to poor engine performance and reduced fuel efficiency.
Overheating
The cooling system in older models like the 1985 Corolla can develop issues, such as a failing thermostat or radiator, leading to engine overheating.
Ignition system issues
Problems with ignition components, such as the distributor, spark plugs, or ignition coils, can cause misfires and poor engine performance.
Vacuum leaks
The vacuum hoses can become brittle over time and develop leaks, causing rough idling and poor acceleration.
Carbon buildup
The 4A-GEC engine can experience carbon buildup on the intake valves and combustion chambers, affecting performance and fuel economy.
TOYOTA Corolla 1987

The 1987 Toyota Corolla Sport GT-S is a classic coupe featuring a 1.6L inline-four engine with electronic fuel injection and a dual overhead cam (DOHC) valve train design. This two-door passenger car, produced in Toyota City, Japan, at the Takaoka Plant, boasts a sporty and efficient driving experience.

Spec:

Engine Configuration
In-Line
Engine Model
4A-GEC
Engine Number of Cylinders
4
Other Engine Info
Electronic fuel injection Transverse mounted engine

Problems:

Oil leaks
Due to age, gaskets and seals can wear out, leading to oil leaks.
Overheating
Cooling system components such as the radiator, thermostat, or water pump may fail or become clogged.
Ignition system issues
Spark plugs, ignition coils, and distributor components can wear out over time, causing misfires or starting problems.
Fuel injector problems
Electronic fuel injectors can become clogged or fail, leading to poor fuel delivery and engine performance.
Timing belt wear
The timing belt can wear out, leading to potential engine damage if it breaks.
Vacuum leaks
Cracked or disconnected vacuum hoses can cause rough idling or poor performance.
Sensor failures
Sensors such as the oxygen sensor or mass airflow sensor may fail, affecting the engine's fuel mixture and performance.
Corroded electrical connections
Age can cause corrosion in electrical connections, leading to intermittent issues or component failures.
TOYOTA Corolla 1986

The 1986 Toyota Corolla GT-S is a classic hatchback featuring a 1.6L in-line 4-cylinder engine with electronic fuel injection. Manufactured by Toyota Motor Corporation in Toyota City, Japan, this model boasts a sporty design with a 3-door configuration. Equipped with a dual overhead cam (DOHC) valve train, it offers a dynamic driving experience.

Spec:

Engine Configuration
In-Line
Engine Model
4A-GEC
Engine Number of Cylinders
4
Other Engine Info
Electronic fuel Injection

Problems:

Oil leaks
Common in older engines, often due to worn gaskets or seals.
Overheating
Can be caused by a failing thermostat, radiator issues, or a faulty water pump.
Timing belt issues
Timing belts wear out over time and can break, leading to engine damage.
Fuel injector problems
Electronic fuel injectors can get clogged or fail, affecting fuel delivery.
Ignition system failures
Issues with spark plugs, ignition coils, or the distributor can cause misfires.
Vacuum leaks
Cracks in vacuum lines can cause rough idling and poor performance.
Sensor failures
Faulty sensors (e.g., oxygen sensor, MAF sensor) can affect engine performance and fuel efficiency.
Carbon buildup
Leads to rough idling, poor acceleration, and increased emissions.
Head gasket failure
Can result in coolant leaks, overheating, and loss of engine compression.
Egr valve issues
A faulty Exhaust Gas Recirculation (EGR) valve can cause performance and emission problems.
TOYOTA Corolla 1986

The 1986 Toyota Corolla GT-S is a classic hatchback featuring a 1.6L in-line 4-cylinder engine with electronic fuel injection. Manufactured in Toyota City, Japan, this sporty model comes with a dual overhead camshaft (DOHC) design and manual seat belts. With a lightweight build under 6,000 lbs, it is an enduring favorite among enthusiasts.

Spec:

Engine Configuration
In-Line
Engine Model
4A-GEC
Engine Number of Cylinders
4
Other Engine Info
Electronic fuel Injection

Problems:

Oil leaks
Common in older engines, often due to worn gaskets or seals.
Overheating
Can be caused by a failing thermostat, radiator issues, or a faulty water pump.
Timing belt issues
Timing belts wear out over time and can break, leading to engine damage.
Fuel injector problems
Electronic fuel injectors can get clogged or fail, affecting fuel delivery.
Ignition system failures
Issues with spark plugs, ignition coils, or the distributor can cause misfires.
Vacuum leaks
Cracks in vacuum lines can cause rough idling and poor performance.
Sensor failures
Faulty sensors (e.g., oxygen sensor, MAF sensor) can affect engine performance and fuel efficiency.
Carbon buildup
Leads to rough idling, poor acceleration, and increased emissions.
Head gasket failure
Can result in coolant leaks, overheating, and loss of engine compression.
Egr valve issues
A faulty Exhaust Gas Recirculation (EGR) valve can cause performance and emission problems.
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